8000 TYP: Type ``MaskedArray.count`` and ``np.ma.count`` by MarcoGorelli · Pull Request #28735 · numpy/numpy · GitHub
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TYP: Type MaskedArray.count and np.ma.count #28735

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Merged
merged 3 commits into from
Apr 16, 2025
Merged

TYP: Type MaskedArray.count and np.ma.count #28735

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4f4f449
TYP: Type ``MaskedArray.count`` and ``np.ma.count``
MarcoGorelli Apr 16, 2025
b067ef5
avoid silencing overload overlap
MarcoGorelli Apr 16, 2025
f160809
keep np.ma.count in sync
MarcoGorelli Apr 16, 2025
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avoid silencing overload overlap
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@MarcoGorelli
MarcoGorelli committed Apr 16, 2025
commit b067ef5acc647493f0ccd472f0a2739a80bb0b22
8 changes: 6 additions & 2 deletions numpy/ma/core.pyi
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Expand Up @@ -456,9 +456,13 @@ class MaskedArray(ndarray[_ShapeT_co, _DTypeT_co]):

# keep in sync with `np.ma.count`
@overload
def count(self, axis: None = None, keepdims: Literal[False] | _NoValueType = ...) -> int: ... # type: ignore[overload-overlap]
def count(self, axis: None = None, keepdims: Literal[False] | _NoValueType = ...) -> int: ...
@overload
def count(self, axis: _ShapeLike | None = None, keepdims: bool | _NoValueType = ...) -> NDArray[int_]: ...
def count(self, axis: _ShapeLike, keepdims: bool | _NoValueType = ...) -> NDArray[int_]: ...
@overload
def count(self, axis: _ShapeLike | None = ..., *, keepdims: Literal[True]) -> NDArray[int_]: ...
@overload
def count(self, axis: _ShapeLike | None, keepdims: Literal[True]) -> NDArray[int_]: ...

def ravel(self, order=...): ...
def reshape(self, *s, **kwargs): ...
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3 changes: 3 additions & 0 deletions numpy/typing/tests/data/reveal/ma.pyi
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Expand Up @@ -233,9 +233,12 @@ assert_type(MAR_s <= MAR_s, MaskedNDArray[np.bool])
assert_type(MAR_byte <= MAR_byte, MaskedNDArray[np.bool])

assert_type(MAR_byte.count(), int)
assert_type(MAR_f4.count(axis=None), int)
assert_type(MAR_f4.count(axis=0), NDArray[np.int_])
assert_type(MAR_b.count(axis=(0,1)), NDArray[np.int_])
assert_type(MAR_o.count(keepdims=True), NDArray[np.int_])
assert_type(MAR_o.count(axis=None, keepdims=True), NDArray[np.int_])
assert_type(MAR_o.count(None, True), NDArray[np.int_])

assert_type(np.ma.count(MAR_byte), int)
assert_type(np.ma.count(MAR_f4, axis=0), NDArray[np.int_])
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